6973 SYLVANIA 6CZ5 PAIR OF VALVE FINAL TETRODE AUDIO JUKEBOX NOS/NIB
Electro-Harmonix 6973-EH Power Tube | Sweetwater
Converting 6973 power tubes to 6CZ5's on a Supro model 24 | Telecaster Guitar Forum
RCA 6973 Tube Adapter Sockets w/ 3 Pairs NOS Equivalent Tall Bottle Tubes for Valco Supro Magnatone | Reverb
RCA 6973 Tube Adapter Sockets w/ 3 Pairs NOS Equivalent Tall Bottle Tubes for Valco Supro Magnatone | Reverb Italia
6973 GE Beam Power Amplifier Tube. Designed to be used in hi fidelity audio amplifiers. New old stock. No longer available for export. MFR: GE. SKU: 6973-GE.
Got a new project. Thomas Model "M" organ. PP 6973 power amp.
6973's in an EL84 amp? | The Gear Page
6973 | 6CZ5 Guaranteed Tubes for Sale - VivaTubes.com
6973's in an EL84 amp? | The Gear Page
6973 | 6CZ5 Guaranteed Tubes for Sale - VivaTubes.com